IDENTIFIERS

  • Current Taxon Name (Soil Name): Seymour
  • OSD
  • Series Extent
  • User Site ID: S1985IA185061
  • User Pedon ID: 85IA1850061
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 86P0418
  • NCSS Pedon Lab Data NASIS Record ID - 58223
  • Print Date: 11/21/2024
  • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 40.7500000
  • Std. Longitude: -93.4916687
  • Datum: WGS84
  • Township: 69N
  • Range: 23W
  • Section: 27
  • PLSS Details: 238 feet north and 2094 feet east of the northwest corner
  • State: Iowa
  • County: IA185—Wayne
  • MLRA: 109—Iowa and Missouri Heavy Till Plain
  • Non-MLRA Soil Survey Area: IA185—Wayne County, Iowa
  • PEDON

  • Describers Name: TAD and JMG
  • Current Taxonomic Class: Fine, smectitic, mesic Aquic Argiudolls
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 6
  • Correlated Information:
  • Soil Name - Seymour
  • Classificaton Date - 7/11/2007
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - Seymour
  • Taxonomic Class - Fine, montmorillonitic, mesic Aquic Argiudoll
  • Taxon Kind - series
  • Classificaton Date - 12/1/1985
  • Moisture Class - udic
  • Moisture SUBClass - aquic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


  • SITE

  • Parent Material: loess
  • Landscape: upland
  • Drainage Class: somewhat poorly
  • Surface Fragments:
  • Benchmark Soil?: no
  • VEGETATION

    SITE OBSERVATION

  • Observation Date: 12/1/1985 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - crop cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
  • Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    6

    0

    1Ap—0 to 18 centimeters (0.0 to 7.1 inches); very dark gray (10YR 3/1) interior silt loam; 4 percent sand; 25 percent clay; weak medium subangular blocky, and strong very fine and fine granular structure; very friable; 0.1 coarse roots; fragments; neutral, pH 6.8, hellige-truog; abrupt smooth boundary. Lab sample # 86P02481. very few coarse roots
    1A—18 to 28 centimeters (7.1 to 11.0 inches); very dark grayish brown (10YR 3/2) interior silt loam; 4 percent sand; 24 percent clay; 11 percent dark grayish brown (10YR 4/2) fine faint mottles; moderate fine and medium subangular blocky structure; friable; 0.5 fine roots and 0.1 coarse roots; 37 percent distinct very dark gray (10YR 3/1), moist, oxide coats on faces of peds and in pores; fragments; slightly acid, pH 6.2, hellige-truog; clear smooth boundary. Lab sample # 86P02482. common oxide coats surface features on faces of peds and in pores; very few coarse roots; few fine roots; common fine faint 10YR42 mottles
    1BA—28 to 43 centimeters (11.0 to 16.9 inches); dark grayish brown (10YR 4/2) interior silt loam; 4 percent sand; 23 percent clay; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; friable; 0.1 fine roots; 15 percent distinct very dark gray (10YR 3/1), moist, oxide coats on faces of peds and in pores; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02483. few oxide coats surface features on faces of peds and in pores; very few fine roots; few fine prominent 7.5YR46 mottles
    1B1—43 to 56 centimeters (16.9 to 22.0 inches); dark grayish brown (10YR 4/2) interior silt loam; 4 percent sand; 23 percent clay; 1 percent strong brown (7.5YR 4/6) fine prominent mottles; moderate very fine and fine subangular blocky structure; friable; 0.1 fine roots; 15 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02484. few oxide coats surface features in root channels and/or pores; very few fine roots; few fine prominent 7.5YR46 mottles
    1B2—56 to 69 centimeters (22.0 to 27.2 inches); dark grayish brown (10YR 4/2) interior silty clay loam; 4 percent sand; 29 percent clay; 1 percent grayish brown (10YR 5/2) fine faint and 11 percent strong brown (7.5YR 4/6) fine prominent mottles; weak coarse and very coarse platy, and moderate fine subangular blocky structure; friable; 0.1 fine roots; 15 percent faint dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 86P02485. (10YR 7/2) silt coats.; few clay films surface features on faces of peds; very few fine roots; common fine prominent 7.5YR46 mottles; few fine faint 10YR52 mottles
    1Bt1—69 to 84 centimeters (27.2 to 33.1 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 4 percent sand; 50 percent clay; 11 percent strong brown (7.5YR 5/6) fine prominent mottles; moderate fine prismatic, and moderate fine angular blocky structure; firm; 0.1 fine roots; 2 percent distinct very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores and 55 percent prominent very dark gray (10YR 3/1), moist, clay films on faces of peds; fragments; strongly acid, pH 5.4, hellige-truog; clear smooth boundary. Lab sample # 86P02486. many clay films surface features on faces of peds; very few oxide coats surface features in root channels and/or pores; very few fine roots; common fine prominent 7.5YR56 mottles
    1Bt2—84 to 122 centimeters (33.1 to 48.0 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 4 percent sand; 48 percent clay; 11 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate fine prismatic, and moderate fine and medium subangular blocky structure; firm; 0.1 fine roots; 15 percent prominent very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores and 37 percent prominent dark gray (10YR 4/1), moist, clay films on faces of peds; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 86P02487. few oxide coats surface features in root channels and/or pores; common clay films surface features on faces of peds; very few fine roots; common medium prominent 7.5YR56 mottles
    1Bt3—122 to 142 centimeters (48.0 to 55.9 inches); grayish brown (2.5Y 5/2) interior silty clay loam; 6 percent sand; 45 percent clay; 30 percent strong brown (7.5YR 5/6) medium prominent mottles; weak medium prismatic, and moderate fine and medium subangular blocky structure; firm; 0.1 fine roots; 15 percent distinct dark gray (10YR 4/1), moist, clay films on faces of peds and 15 percent prominent very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. few clay films surface features on faces of peds; few oxide coats surface features in root channels and/or pores; very few fine roots; many medium prominent 7.5YR56 mottles
    1BC—142 to 152 centimeters (55.9 to 59.8 inches); grayish brown (2.5Y 5/2) interior and strong brown (7.5YR 5/6) interior silty clay loam; 8 percent sand; 42 percent clay; weak coarse and very coarse platy, and moderate fine subangular blocky structure; firm; 0.1 fine roots; 2 percent prominent very dark gray (10YR 3/1), moist, oxide coats in root channels and/or pores; fragments; slightly acid, pH 6.2, hellige-truog. very few oxide coats surface features in root channels and/or pores; very few fine roots